00684nam a22001937a 450000500170000001000150001702000260003203500140005808200080007224501510008025000120023126000360024327001070027930000330038670000210041970000150044070000140045570000210046920200930113358.0  aENG-128490  a9788179306963c535.00  aEN-112022  a503  aDevelopments in Science & Technology /cedited by Kalpana Rajaram and Dr. R.K. Suri: Editorial Assistance provided by R. Vidya and Avinash Purohit  a27th ed  aNew DelhibSpectrum Booksc2018  aA1 291, First Floor, JanakpuribNew Delhie110058k25507922, 25623501, 25611640minfo@spectrumbooks.in  axv, 688p.c24cm(pbk)bTables  aRajaram, Kalpana  aSuri, R.K.  aVidya, R.  aPurohit, Avinash